Home / 13,456.20-20,185.33-4,097.02

Finding the Fourth Proportional to 13,456.20, 20,185.33 and 4,097.02

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Solution

The fourth proportional to 13,456.20, 20,185.33 and 4,097.02 is: 6,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.20 : 20,185.33 = 4,097.02 : x
  2. Step 2: Convert to fraction form
    13,456.20/20,185.33 = 4,097.02/x
  3. Step 3: Cross multiply
    13,456.20x = 20,185.33 × 4,097.02
  4. Step 4: Simplify right side
    13,456.20x = 82,699,599.79
  5. Step 5: Solve for x
    x = 82,699,599.79/13,456.20
  6. Step 6: Final answer
    x = 6,145.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.